Join Date: May 2017
Location: Mooresville, NC
Crank, No Start - Need Help Diagnosing
Hello, I've got a 2002 LB7. I've one through and replaced a lot of the fuel system and now I've got a crank/no start situation.
I have added a lift pump and replaced the filter head. Everything was running at that point. But I still had low rail pressure.
I replaced my CP3. And that's where things stopped working. I am pretty sure I got it all back together correctly. I have a new FPR on the CP3. I know I put the gear on correctly because it's tapered and only goes on one way. I know the mounting plate is on correctly and the four mounting bolts are all pulled tight. So the gear should be in the correct place.
I've got all of the fuel lines hooked up. When I run the lift pump I can see fuel coming all the way out of the last return banjo bolt. So I shouldn't have a bunch of air in the system.
I don't see any plugs that I forgot to plug up on the wiring harness.
But it just cranks and cranks and cranks. Never seems to fire off and want to start. It's almost like I'm not getting fuel, but I know there is fuel in the system. I have at least a 1/2 tank of fuel currently.
Any ideas on where to start?
2003 Chevrolet 3500 DRW, LB& with forged rods and crank. Tuned. Lots of little odds and ends.
I know a whole lot about nothing. And I know nothing about even more.